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Value Factors, Design and Cut Quality of Colored Gemstones
https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=8&t=25904
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Author:  Barbra Voltaire, FGG [ Sun Oct 25, 2020 8:55 pm ]
Post subject:  Value Factors, Design and Cut Quality of Colored Gemstones

I stumbled on this while looking for cutting information:


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